1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
16 /* $Id: AliTRDinfoGen.cxx 27496 2008-07-22 08:35:45Z cblume $ */
18 ////////////////////////////////////////////////////////////////////////////
20 // Tender wagon for TRD performance/calibration train
22 // In this wagon the information from
24 // - Friends [if available]
25 // - MC [if available]
26 // are grouped into AliTRDtrackInfo objects and fed to worker tasks
29 // Markus Fasel <M.Fasel@gsi.de>
30 // Alexandru Bercuci <A.Bercuci@gsi.de>
32 ////////////////////////////////////////////////////////////////////////////
34 #include <TClonesArray.h>
35 #include <TObjArray.h>
43 #include <TParticle.h>
46 #include "AliAnalysisManager.h"
47 #include "AliESDEvent.h"
48 #include "AliMCEvent.h"
49 #include "AliESDInputHandler.h"
50 #include "AliMCEventHandler.h"
52 #include "AliESDfriend.h"
53 #include "AliESDfriendTrack.h"
54 #include "AliESDHeader.h"
55 #include "AliESDtrack.h"
57 #include "AliESDtrackCuts.h"
58 #include "AliMCParticle.h"
61 #include "AliTRDtrackV1.h"
62 #include "AliTrackReference.h"
63 #include "AliTRDgeometry.h"
64 #include "AliTRDcluster.h"
65 #include "AliTRDseedV1.h"
66 #include "TTreeStream.h"
73 #include "AliTRDinfoGen.h"
74 #include "info/AliTRDtrackInfo.h"
75 #include "info/AliTRDeventInfo.h"
76 #include "info/AliTRDv0Info.h"
77 #include "info/AliTRDeventCuts.h"
78 #include "macros/AliTRDperformanceTrain.h"
80 ClassImp(AliTRDinfoGen)
82 const Float_t AliTRDinfoGen::fgkITS = 100.; // to be checked
83 const Float_t AliTRDinfoGen::fgkTPC = 290.;
84 const Float_t AliTRDinfoGen::fgkTRD = 365.;
86 const Float_t AliTRDinfoGen::fgkEvVertexZ = 15.;
87 const Int_t AliTRDinfoGen::fgkEvVertexN = 1;
89 const Float_t AliTRDinfoGen::fgkTrkDCAxy = 40.;
90 const Float_t AliTRDinfoGen::fgkTrkDCAz = 15.;
91 const Int_t AliTRDinfoGen::fgkNclTPC = 100;
92 const Float_t AliTRDinfoGen::fgkPt = 0.2;
93 const Float_t AliTRDinfoGen::fgkEta = 0.9;
95 //____________________________________________________________________
96 AliTRDinfoGen::AliTRDinfoGen()
114 // Default constructor
116 SetNameTitle("infoGen", "MC-REC TRD-track list generator");
119 //____________________________________________________________________
120 AliTRDinfoGen::AliTRDinfoGen(char* name)
121 :AliAnalysisTaskSE(name)
138 // Default constructor
140 SetTitle("MC-REC TRD-track list generator");
141 DefineOutput(kTracksBarrel, TObjArray::Class());
142 DefineOutput(kTracksSA, TObjArray::Class());
143 DefineOutput(kTracksKink, TObjArray::Class());
144 DefineOutput(kEventInfo, AliTRDeventInfo::Class());
145 DefineOutput(kV0List, TObjArray::Class());
148 //____________________________________________________________________
149 AliTRDinfoGen::~AliTRDinfoGen()
153 if(fDebugStream) delete fDebugStream;
154 if(fEvTrigger) delete fEvTrigger;
155 if(fV0Cut) delete fV0Cut;
156 if(fTrackCut) delete fTrackCut;
157 if(fEventCut) delete fEventCut;
158 if(fTrackInfo) delete fTrackInfo; fTrackInfo = NULL;
159 if(fEventInfo) delete fEventInfo; fEventInfo = NULL;
160 if(fV0Info) delete fV0Info; fV0Info = NULL;
162 fTracksBarrel->Delete(); delete fTracksBarrel;
163 fTracksBarrel = NULL;
166 fTracksSA->Delete(); delete fTracksSA;
170 fTracksKink->Delete(); delete fTracksKink;
180 //____________________________________________________________________
181 void AliTRDinfoGen::UserCreateOutputObjects()
184 // Create Output Containers (TObjectArray containing 1D histograms)
187 fTrackInfo = new AliTRDtrackInfo();
188 fEventInfo = new AliTRDeventInfo();
189 fV0Info = new AliTRDv0Info();
190 fTracksBarrel = new TObjArray(200); fTracksBarrel->SetOwner(kTRUE);
191 fTracksSA = new TObjArray(20); fTracksSA->SetOwner(kTRUE);
192 fTracksKink = new TObjArray(20); fTracksKink->SetOwner(kTRUE);
193 fV0List = new TObjArray(10); fV0List->SetOwner(kTRUE);
196 //____________________________________________________________________
197 void AliTRDinfoGen::UserExec(Option_t *){
202 fESDev = dynamic_cast<AliESDEvent*>(InputEvent());
206 AliError("Failed retrieving ESD event");
210 // event selection : trigger cut
211 if(UseLocalEvSelection() && fEvTrigger){
212 Bool_t kTRIGGERED(kFALSE);
213 const TObjArray *trig = fEvTrigger->Tokenize(" ");
214 for(Int_t itrig=trig->GetEntriesFast(); itrig--;){
215 const Char_t *trigClass(((TObjString*)(*trig)[itrig])->GetName());
216 if(fESDev->IsTriggerClassFired(trigClass)) {
217 AliDebug(2, Form("Ev[%4d] Trigger[%s]", fESDev->GetEventNumberInFile(), trigClass));
223 AliDebug(2, Form("Reject Ev[%4d] Trigger", fESDev->GetEventNumberInFile()));
226 // select only physical events
227 if(fESDev->GetEventType() != 7){
228 AliDebug(2, Form("Reject Ev[%4d] EvType[%d]", fESDev->GetEventNumberInFile(), fESDev->GetEventType()));
233 // if the required trigger is a collision trigger then apply event vertex cut
234 if(UseLocalEvSelection() && IsCollision()){
235 const AliESDVertex *vertex = fESDev->GetPrimaryVertex();
236 if(TMath::Abs(vertex->GetZv())<1.e-10 ||
237 TMath::Abs(vertex->GetZv())>fgkEvVertexZ ||
238 vertex->GetNContributors()<fgkEvVertexN) {
239 AliDebug(2, Form("Reject Ev[%4d] Vertex Zv[%f] Nv[%d]", fESDev->GetEventNumberInFile(), TMath::Abs(vertex->GetZv()), vertex->GetNContributors()));
244 if(fEventCut && !fEventCut->IsSelected(fESDev, IsCollision())) return;
247 AliError("Failed retrieving ESD friend event");
250 if(HasMCdata() && !fMCev){
251 AliError("Failed retrieving MC event");
255 fTracksBarrel->Delete();
257 fTracksKink->Delete();
259 fEventInfo->Delete("");
260 new(fEventInfo)AliTRDeventInfo(fESDev->GetHeader(), const_cast<AliESDRun *>(fESDev->GetESDRun()));
262 Bool_t *trackMap(NULL);
263 AliStack * mStack(NULL);
264 Int_t nTracksMC = HasMCdata() ? fMCev->GetNumberOfTracks() : 0, nTracksESD = fESDev->GetNumberOfTracks();
266 mStack = fMCev->Stack();
268 AliError("Failed retrieving MC Stack");
271 trackMap = new Bool_t[nTracksMC];
272 memset(trackMap, 0, sizeof(Bool_t) * nTracksMC);
275 Double32_t dedx[100]; Int_t nSlices(0);
276 Int_t nTRDout(0), nTRDin(0), nTPC(0)
278 ,nBarrel(0), nSA(0), nKink(0)
279 ,nBarrelMC(0), nSAMC(0), nKinkMC(0);
280 AliESDtrack *esdTrack = NULL;
281 AliESDfriendTrack *esdFriendTrack = NULL;
282 TObject *calObject = NULL;
283 AliTRDtrackV1 *track = NULL;
284 AliTRDseedV1 *tracklet = NULL;
285 AliTRDcluster *cl = NULL;
286 // LOOP 0 - over ESD tracks
287 for(Int_t itrk = 0; itrk < nTracksESD; itrk++){
288 new(fTrackInfo) AliTRDtrackInfo();
289 esdTrack = fESDev->GetTrack(itrk);
290 AliDebug(3, Form("\n%3d ITS[%d] TPC[%d] TRD[%d]\n", itrk, esdTrack->GetNcls(0), esdTrack->GetNcls(1), esdTrack->GetNcls(2)));
292 if(esdTrack->GetStatus()&AliESDtrack::kTPCout) nTPC++;
293 if(esdTrack->GetStatus()&AliESDtrack::kTRDout) nTRDout++;
294 if(esdTrack->GetStatus()&AliESDtrack::kTRDin) nTRDin++;
296 // look at external track param
297 const AliExternalTrackParam *op = esdTrack->GetOuterParam();
301 op->Global2LocalPosition(xyz, op->GetAlpha());
302 AliDebug(3, Form("op @ X[%7.3f]\n", xyz[0]));
307 Int_t label = -1; UInt_t alab=UINT_MAX;
309 label = esdTrack->GetLabel();
310 alab = TMath::Abs(label);
311 // register the track
312 if(alab < UInt_t(nTracksMC)){
313 trackMap[alab] = kTRUE;
315 AliError(Form("MC label[%d] outside scope for Ev[%d] Trk[%d].", label, (Int_t)AliAnalysisManager::GetAnalysisManager()->GetCurrentEntry(), itrk));
318 AliMCParticle *mcParticle = NULL;
319 if(!(mcParticle = (AliMCParticle*) fMCev->GetTrack(alab))){
320 AliError(Form("MC particle label[%d] missing for Ev[%d] Trk[%d].", label, (Int_t)AliAnalysisManager::GetAnalysisManager()->GetCurrentEntry(), itrk));
323 fPdg = mcParticle->Particle()->GetPdgCode();
324 Int_t nRefs = mcParticle->GetNumberOfTrackReferences();
325 Int_t iref = 0; AliTrackReference *ref = NULL;
327 ref = mcParticle->GetTrackReference(iref);
328 if(ref->LocalX() > fgkTPC) break;
333 fTrackInfo->SetPDG(fPdg);
334 fTrackInfo->SetPrimary(mcParticle->Particle()->IsPrimary());
335 Int_t jref = iref;//, kref = 0;
337 ref = mcParticle->GetTrackReference(jref);
338 if(ref->LocalX() > fgkTRD) break;
339 AliDebug(4, Form(" trackRef[%2d (%2d)] @ %7.3f OK", jref-iref, jref, ref->LocalX()));
340 fTrackInfo->AddTrackRef(ref);
343 AliDebug(3, Form("NtrackRefs[%d(%d)]", fTrackInfo->GetNTrackRefs(), nRefs));
346 // copy some relevant info to TRD track info
347 fTrackInfo->SetStatus(esdTrack->GetStatus());
348 fTrackInfo->SetTrackId(esdTrack->GetID());
349 Double_t p[AliPID::kSPECIES]; esdTrack->GetTRDpid(p);
350 fTrackInfo->SetESDpid(p);
351 fTrackInfo->SetESDpidQuality(esdTrack->GetTRDntrackletsPID());
352 if(!nSlices) nSlices = esdTrack->GetNumberOfTRDslices();
353 memset(dedx, 0, 100*sizeof(Double32_t));
355 for(Int_t il=0; il<AliTRDgeometry::kNlayer; il++)
356 for(Int_t is=0; is<nSlices; is++)
357 dedx[in++]=esdTrack->GetTRDslice(il, is);
358 for(Int_t il=0; il<AliTRDgeometry::kNlayer; il++) dedx[in++]=esdTrack->GetTRDmomentum(il);
359 fTrackInfo->SetSlices(in, dedx);
360 fTrackInfo->SetLabel(label);
361 fTrackInfo->SetNumberOfClustersRefit(esdTrack->GetNcls(2));
362 // some other Informations which we may wish to store in order to find problematic cases
363 fTrackInfo->SetKinkIndex(esdTrack->GetKinkIndex(0));
364 fTrackInfo->SetTPCncls(static_cast<UShort_t>(esdTrack->GetNcls(1)));
369 esdFriendTrack = fESDfriend->GetTrack(itrk);
372 while((calObject = esdFriendTrack->GetCalibObject(icalib++))){
373 if(strcmp(calObject->IsA()->GetName(),"AliTRDtrackV1") != 0) continue; // Look for the TRDtrack
374 if(!(track = dynamic_cast<AliTRDtrackV1*>(calObject))) break;
375 AliDebug(4, Form("TRD track OK"));
376 // Set the clusters to unused
377 for(Int_t ipl = 0; ipl < AliTRDgeometry::kNlayer; ipl++){
378 if(!(tracklet = track->GetTracklet(ipl))) continue;
379 tracklet->ResetClusterIter();
380 while((cl = tracklet->NextCluster())) cl->Use(0);
382 fTrackInfo->SetTrack(track);
385 AliDebug(3, Form("Ntracklets[%d]\n", fTrackInfo->GetNTracklets()));
386 } else AliDebug(3, "No ESD friends");
387 if(op) fTrackInfo->SetOuterParam(op);
389 if(DebugLevel() >= 1){
390 AliTRDtrackInfo info(*fTrackInfo);
391 (*DebugStream()) << "trackInfo"
392 << "TrackInfo.=" << &info
397 ULong_t status(esdTrack->GetStatus());
398 if((status&AliESDtrack::kTPCout)){
399 if(!esdTrack->GetKinkIndex(0)){ // Barrel Track Selection
400 Bool_t selected(kTRUE);
401 if(UseLocalTrkSelection()){
402 if(esdTrack->Pt() < fgkPt){
403 AliDebug(2, Form("Reject Ev[%4d] Trk[%3d] Pt[%5.2f]", fESDev->GetEventNumberInFile(), itrk, esdTrack->Pt()));
406 if(selected && TMath::Abs(esdTrack->Eta()) > fgkEta){
407 AliDebug(2, Form("Reject Ev[%4d] Trk[%3d] Eta[%5.2f]", fESDev->GetEventNumberInFile(), itrk, TMath::Abs(esdTrack->Eta())));
410 if(selected && esdTrack->GetTPCNcls() < fgkNclTPC){
411 AliDebug(2, Form("Reject Ev[%4d] Trk[%3d] NclTPC[%d]", fESDev->GetEventNumberInFile(), itrk, esdTrack->GetTPCNcls()));
414 Float_t par[2], cov[3];
415 esdTrack->GetImpactParameters(par, cov);
416 if(IsCollision()){ // cuts on DCA
417 if(selected && TMath::Abs(par[0]) > fgkTrkDCAxy){
418 AliDebug(2, Form("Reject Ev[%4d] Trk[%3d] DCAxy[%f]", fESDev->GetEventNumberInFile(), itrk, TMath::Abs(par[0])));
421 if(selected && TMath::Abs(par[1]) > fgkTrkDCAz){
422 AliDebug(2, Form("Reject Ev[%4d] Trk[%3d] DCAz[%f]", fESDev->GetEventNumberInFile(), itrk, TMath::Abs(par[1])));
425 } else if(selected && fMCev && !fMCev->IsPhysicalPrimary(alab)){;
426 AliDebug(2, Form("Reject Ev[%4d] Trk[%3d] Primary", fESDev->GetEventNumberInFile(), itrk));
430 if(fTrackCut && !fTrackCut->IsSelected(esdTrack)) selected = kFALSE;
432 fTracksBarrel->Add(new AliTRDtrackInfo(*fTrackInfo));
436 fTracksKink->Add(new AliTRDtrackInfo(*fTrackInfo));
439 } else if((status&AliESDtrack::kTRDout) && !(status&AliESDtrack::kTRDin)){
440 fTracksSA->Add(new AliTRDtrackInfo(*fTrackInfo));
443 fTrackInfo->Delete("");
446 // LOOP 1 - over ESD v0s
447 Bool_t kFOUND(kFALSE);
448 Float_t bField(fESDev->GetMagneticField());
450 for(Int_t iv0(0); iv0<fESDev->GetNumberOfV0s(); iv0++){
451 if(!(v0 = fESDev->GetV0(iv0))) continue;
453 if(fV0Cut) new(fV0Info) AliTRDv0Info(*fV0Cut);
454 else new(fV0Info) AliTRDv0Info();
455 fV0Info->SetMagField(bField);
456 fV0Info->SetV0tracks(fESDev->GetTrack(v0->GetPindex()), fESDev->GetTrack(v0->GetNindex()));
457 fV0Info->SetV0Info(v0);
458 // purge V0 irelevant for TRD
459 for(Int_t ib(0); ib<nBarrel; ib++){
460 if(fV0Info->HasTrack((AliTRDtrackInfo*)fTracksBarrel->At(ib))){
466 for(Int_t ik(0); ik<nKink; ik++){
467 if(fV0Info->HasTrack((AliTRDtrackInfo*)fTracksKink->At(ik))){
473 if(!kFOUND) continue;
474 fV0List->Add(new AliTRDv0Info(*fV0Info));
477 // LOOP 2 - over MC tracks which are passing TRD where the track is not reconstructed
479 AliDebug(10, "Output of the MC track map:");
480 for(Int_t itk = 0; itk < nTracksMC; itk++) AliDebug(10, Form("trackMap[%d] = %s", itk, trackMap[itk] == kTRUE ? "TRUE" : "kFALSE"));
482 for(Int_t itk = 0; itk < nTracksMC; itk++){
483 if(trackMap[itk]) continue;
484 AliMCParticle *mcParticle = (AliMCParticle*) fMCev->GetTrack(TMath::Abs(itk));
485 Int_t fPdg = mcParticle->Particle()->GetPdgCode();
486 Int_t nRefs = mcParticle->GetNumberOfTrackReferences();
487 Int_t iref = 0; AliTrackReference *ref = NULL;
489 new(fTrackInfo) AliTRDtrackInfo();
491 fTrackInfo->SetPDG(fPdg);
492 while(iref<nRefs){ // count TRD TR
494 ref = mcParticle->GetTrackReference(iref);
495 if(ref->LocalX() > fgkTPC && ref->LocalX() < fgkTRD){
496 fTrackInfo->AddTrackRef(ref);
497 nRefsTRD++;kIN=kTRUE;
499 AliDebug(4, Form(" trackRef[%2d] @ x[%7.3f] %s", iref, ref->LocalX(), kIN?"IN":"OUT"));
503 // In this stage we at least require 1 hit inside TRD. What will be done with this tracks is a task for the
505 fTrackInfo->Delete("");
508 fTrackInfo->SetPrimary(mcParticle->Particle()->IsPrimary());
509 fTrackInfo->SetLabel(itk);
510 if(DebugLevel() >= 1){
511 AliTRDtrackInfo info(*fTrackInfo);
512 (*DebugStream()) << "trackInfo"
513 << "TrackInfo.=" << &info
517 AliDebug(3, Form("Add MC track @ label[%d] nTRDrefs[%d].", itk, nRefsTRD));
518 // check where the track starts
519 ref = mcParticle->GetTrackReference(0);
520 if(ref->LocalX() < fgkITS){
521 fTracksBarrel->Add(new AliTRDtrackInfo(*fTrackInfo));
523 } else if(ref->LocalX() < fgkTPC) {
524 fTracksKink->Add(new AliTRDtrackInfo(*fTrackInfo));
526 } else if(nRefsTRD>6){
527 fTracksSA->Add(new AliTRDtrackInfo(*fTrackInfo));
530 fTrackInfo->Delete("");
535 "\nEv[%3d] Tracks: ESD[%d] MC[%d] V0[%d]\n"
536 " TPCout[%d] TRDin[%d] TRDout[%d]\n"
537 " Barrel[%3d+%3d=%3d] SA[%2d+%2d=%2d] Kink[%2d+%2d=%2d]"
538 ,(Int_t)AliAnalysisManager::GetAnalysisManager()->GetCurrentEntry(), nTracksESD, nTracksMC, fV0List->GetEntries()
539 , nTPC, nTRDin, nTRDout
540 ,nBarrel, nBarrelMC, fTracksBarrel->GetEntries()
541 ,nSA, nSAMC, fTracksSA->GetEntries()
542 ,nKink, nKinkMC, fTracksKink->GetEntries()
545 PostData(kTracksBarrel, fTracksBarrel);
546 PostData(kTracksSA, fTracksSA);
547 PostData(kTracksKink, fTracksKink);
548 PostData(kEventInfo, fEventInfo);
549 PostData(kV0List, fV0List);
552 //____________________________________________________________________
553 void AliTRDinfoGen::SetLocalV0Selection(AliTRDv0Info *v0)
555 // Set V0 cuts from outside
557 if(!fV0Cut) fV0Cut = new AliTRDv0Info(*v0);
558 else new(fV0Cut) AliTRDv0Info(*v0);
561 //____________________________________________________________________
562 void AliTRDinfoGen::SetTrigger(const Char_t *trigger)
564 if(!fEvTrigger) fEvTrigger = new TString(trigger);
565 else (*fEvTrigger) = trigger;
568 //____________________________________________________________________
569 TTreeSRedirector* AliTRDinfoGen::DebugStream()
572 TDirectory *savedir = gDirectory;
573 fDebugStream = new TTreeSRedirector("TRD.DebugInfoGen.root");